I also printed a test part on the Mark Two that was completely filled with continuous glass fiber and one that used Kevlar. I printed these test parts with a few different materials that scored pretty well in the Filaween testes, that is regular old PLA and DAS FILAMENT PETG, I’ll bring in a few more standard materials later. You can sorta see what’s going on, but not much more. So I called up a friend and we set up a quick slow motion rig, using this old Casio camera, which does do a 1000 frames per second, but, well. At first, I only made them 3mm or about ⅛ of an inch thick, since just as a rough estimate, I wanted to test these with an air rifle first before moving on to the big guns. But that’s easy to test out! I started with these 50mm or 2” diameter discs. So to be honest, I had no idea how much these 3D printed, plastic parts would be able to withstand. When I tested the Markforged Mark Two 3d printer and started using the continuous carbon, glass and especially the Kevlar fiber inlays, there was that one question that kept bugging me: Could we actually make 3D prints that are bulletproof? And how well do those normal materials like PLA, ABS and PETG compare?Ĭould we actually make 3D prints that are bulletproof? There are some fantastic materials available for 3D printing today – here’s the ultimate test for them!
